PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS834-178Cap-Plug,protective,dust and Moi

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-01-204-3874 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-204-3874 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-204-3874. Primary manufacturer part number: NAS834-178.
Features
  • Cap-Plug,protective,dust and Moi — FSC 5340
  • Closed End Overall Diameter: 1.940 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN
  • Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 FED SPEC 1ST MATERIAL RESPONSE OR L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC 2ND MATERIAL RESPONSE
  • Length Under Shoulder: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
  • Open End Inside Diameter: 1.708 INCHES MINIMUM AND 1.728 INCHES MAXIMUM IN
  • Material: PLASTIC, POLYETHYLENE (PP)
  • 5 verified cross-references
  • Primary manufacturer: National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Applications
  • Applications requiring Plastic, Polyethylene (pp) construction
General Description

The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-204-3874, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-204-3874
Primary Part NumberNAS834-178
Item NameCap-Plug,protective,dust and Moi
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Closed End Overall Diameter1.940 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN
Material Document and ClassificationL-P-390, TYPE 1, CLASS L, GRADE 1 FED SPEC 1ST MATERIAL RESPONSE OR L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC 2ND MATERIAL RESPONSE
Length Under Shoulder0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN
Open End Inside Diameter1.708 INCHES MINIMUM AND 1.728 INCHES MAXIMUM IN
MaterialPLASTIC, POLYETHYLENE (PP)
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-00-264-1205
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
Cap-Plug,protective,dust and Moi
Motor,alternating Current
5340-00-853-4192LT-20 SUCCESSOR
Tip,furniture Leg
Lynn Electronics Llc
Cap-Plug,protective,dust and Moi
Cap-Plug,protective,dust and Moi
Cap-Plug,protective,dust and Moi
Cap-Plug,protective,dust and Moi
Cap-Plug,protective,dust and Moi
Cap-Plug,protective,dust and Moi
Cap-Plug,protective,dust and Moi
Cross-Reference Index
Part NumberManufacturer
M5501/7-F30 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-5501/7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
20 Caplugs Llc Dba Mokon Div Caplugs (USA)
NAS834-178 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS834 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
SUCCESSOR 5340-00-264-1205 Cap-Plug,protective,dust and Moi
6105-00-660-8369SUCCESSOR
MOTOR,ALTERNATING CURRENT
5340-00-853-4192SUCCESSOR
TIP,FURNITURE LEG
LT-20
5340-01-026-3250SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-01-026-3251SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-01-043-7077SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-01-048-1341SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-01-105-9613SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-01-114-0206SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-01-139-9162SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-01-213-9667SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI
5340-01-237-2903SUCCESSOR
CAP-PLUG,PROTECTIVE,DUST AND MOI

Frequently Asked Questions

What is NSN 5340-01-204-3874?

NSN 5340-01-204-3874 is a Cap-Plug,protective,dust and Moi, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-01-204-3874?

NSN 5340-01-204-3874 has 5 cross-referenced part numbers: M5501/7-F30 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-5501/7 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20 (Caplugs Llc Dba Mokon Div Caplugs), NAS834-178 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS834 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5340-01-204-3874?

There are 12 known substitutes for 5340-01-204-3874: 5340-00-264-1205, 6105-00-660-8369, 5340-00-853-4192 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS834-178?

Key specifications for NAS834-178: Closed End Overall Diameter: 1.940 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN; Material Document and Classification: L-P-390, TYPE 1, CLASS L, GRADE 1 FED SPEC 1ST MATERIAL RESPONSE OR L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC 2ND MATERIAL RESPONSE; Length Under Shoulder: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN; Open End Inside Diameter: 1.708 INCHES MINIMUM AND 1.728 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-01-204-3874 still in active supply?

NSN 5340-01-204-3874 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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